Enhanced photocurrent of perovskite solar cells by dual-sensitized β-NaYF4: Nd3+/Yb3+/Er3+ up-conversion nanoparticles

被引：30
|
作者：
Wang, Mei [1 ]
Wu, Yangqing [1 ]
Juan, Fangying [1 ]
Li, Yujiao [1 ]
Shi, Beibei [1 ]
Xu, Fan [1 ]
Jia, Jinbiao [1 ]
Wei, Haoming [1 ]
Cao, Bingqiang [1 ]
机构：
[1] Qufu Normal Univ, Sch Phys & Phys Engn, Shandong Prov Key Lab Laser Polarizat & Informat, Qufu 273165, Shandong, Peoples R China
来源：
CHEMICAL PHYSICS LETTERS | 2021年 / 763卷
基金：
中国国家自然科学基金;
关键词：
Rare-earth doping; Dual-sensitizers; Up-conversion; Perovskite solar cell; Photocurrent; HOLE-TRANSPORT-LAYER; PERFORMANCE; LUMINESCENCE; EFFICIENCY; ELECTRON; NANOCRYSTALS; PASSIVATION; NAYF4YB3+; LENGTHS;
D O I：
10.1016/j.cplett.2020.138253
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Expanding the solar spectral response near-infrared wave range is undoubtedly an important strategy that can enhance the power conversion efficiency of perovskite solar cells. While, the up-conversion nanoparticles with only one sensitizer to absorb near-infrared photons cannot meet the needs. Hence, NaYF4:Nd3+/Yb3+/Er3+ rare earth doped up-conversion nanoparticles with dual-sensitizers are synthesized. By doping rare earth ions Nd3+, Yb3+ and Er3+, the photocurrent density of perovskite solar cells is increased from 20.87 mA cm(-2) to 22.74 mA cm(-2), and the power conversion efficiency is increased from 17.95% to 19.23%, an improvement of 7.13% compared with reference device.
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页数：6
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